Brake



C.PRESS Jah. 11, 193s.

BRAKE Filed Dec. 7, 1936 INVENTOR ,PL PRESS .a2 ww ATTORNEY PatentedJan. 1l, 1938 UNITED STATES l PATENT OFFICE a This invention relates tobrakes, and is illustrated as embodied in an internal expanding brakefor an automobile. An object of the invention is to provide a simple andeasily operated adjuster forcompensating for the wearrof the brakeshoes.

In one desirable arrangement the adjuster comprises three main parts: Asocket, a stem extending into the socket, and an adjusting memw ber. Thesocket, at least adjacent its open end, is considerably larger indiameter than the stem, and the adjusting member has a sleeve threadedon the stern and rotatably received in this part of the socket.Preferably the adjusting member has a disk-shaped operating portionprojecting beyond the periphery of the socket at the open endof thelatter.

The above and other objects and features of the invention will beapparent from the following description of the illustrative embodimentsshovvnv in the accompanying drawing, in which:

`Figure 1 is a partial section through a brake,

just inside the head of the brake drum, and

` the type in which `two iloating shoes III and I2 are engageable with adrum I4 in such a manner that when the drum is turning in one direc-`tion one of them anchors on meansmot shown) carried by a backing plate I6, While when the drum I4` is turning in the oppositedirection the othershoe so anchors.

A threaded stem I8 is connected to the shoe I, for example by a pivot20, and extendsinto of the adjusting member is accessible through anopening 3Q in the backing plate I6, and is shown as formed with teeth tofacilitate turning it and yieldingly to interlock with a spring 32Ytensioned` between the shoes. In the arrangement of Figures 3 and 4,shoe I I2 is notched at its end for direct engagement with a xedanchorpcst IM carried by the backing plate I It. The shoe lI I9 has athreaded stem a I I8 connected at its end by a pivot 26, on which l0described in detail, it is not my intention to limit -the scope of theinvention to those particular embodiments, or otherwise than by thetermsof the appended claims.

I claim:

l. A brake adjuster comprising a socket-and a stem extending into thesocket, said socket having at least the portion adjacent its open endsubstantially greater in diameter than said stern, and an adjustingmember having aisleevethreaded onto 30 said stein and having a smoothcylindrical ex'- terior rotatably seated in said portion of the socketand having a part seated against the end of the socket.

2. A brake adjuster comprising a socket and Ya stem extending into thesocket, said socket having at least the portion adjacent its open endsubstantially greater in diameter than said stem,

and an adjusting member having a sleeve threaded ontoA said stem andhaving a smooth 40 cylindrical exterior rotatably seated in said portionof the socket, said member being formed With a disk-shaped operatingportion projecting beyond the periphery of the socket at the open end ofthe latter and seated against the end of the socket.

f VCARL PRESS.

While two illustrative embodiments have been 20

